6

0: 0.0 0.0 0.5 1
1: 1.0 0.0 0.5 1
2: 1.0 1.0 0.5 1
3: 4.0 1.0 0.5 1
4: 4.0 2.0 0.5 1
5: 0.0 2.0 0.5 1

6

0: 0 1 1
1: 1 2 1
2: 2 3 1
3: 3 4 2
4: 4 5 1
5: 5 0 3
